1 files changed, 18 insertions, 3 deletions
diff --git a/src/queue/initialize.ts b/src/queue/initialize.ts
index 5fe5a9f6f3..31102a3ed2 100644
--- a/src/queue/initialize.ts
+++ b/src/queue/initialize.ts
@@ -11,8 +11,23 @@ export function initialize<T>(name: string, limitPerSec = -1) {
 		},
 		prefix: config.redis.prefix ? `${config.redis.prefix}:queue` : 'queue',
 		limiter: limitPerSec > 0 ? {
-			max: limitPerSec * 5,
-			duration: 5000
-		} : undefined
+			max: limitPerSec,
+			duration: 1000
+		} : undefined,
+		settings: {
+			backoffStrategies: {
+				apBackoff
+			}
+		}
 	});
 }
+
+// ref. https://github.com/misskey-dev/misskey/pull/7635#issue-971097019
+function apBackoff(attemptsMade: number, err: Error) {
+	const baseDelay = 60 * 1000;	// 1min
+	const maxBackoff = 8 * 60 * 60 * 1000;	// 8hours
+	let backoff = (Math.pow(2, attemptsMade) - 1) * baseDelay;
+	backoff = Math.min(backoff, maxBackoff);
+	backoff += Math.round(backoff * Math.random() * 0.2);
+	return backoff;
+}